The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 1989
Filed:
Jan. 23, 1987
Michiharu Nishii, Toyota, JP;
Yuzuru Sugiura, Anjo, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
A fluid pressure servomotor including a housing, a partition wall arranged in the housing, a center hole formed in the partition wall, a hub member having a cylindrical portion, a ring bearing for axially slidably guiding the cylindrical portion and fitted in the hole. A sealing member is fitted in the hole and includes a sealing portion hermetically contacted with the partition wall and a lip portion hermetically contacted with the cylindrical portion. A retainer is provided for retaining the sealing member and the ring bearing between the partition wall and the cylindrical portion. The sealing member and the ring bearing are engaged with each other by engagement of a groove and a projection formed thereon, respectively, so that the sealing member and the cylindrical portion are maintained in a co-axial relationship.